+ pid_t cpid = fork();
+ if (cpid < 0) {
+ perror("fork failure\n");
+ exit(EXIT_FAILURE);
+ }
+
+ if (cpid == 0) {
+ execl("/home/fraggle/src/TD_IML-git/TD1/part_three/balle/balle", "balle", (char*)NULL);
+ perror("execl failure\n");
+ exit(EXIT_FAILURE);
+ } else {
+ wait(&child_rt_status);
+ printf("[%d] La balle est arrivee apres %d secondes\n", getpid(), WEXITSTATUS(child_rt_status));
+ }